FVXX21 KWBC 020730
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VOLCANIC ASH ADVISORY STATEMENT - COR FOR NEXT ISSUANCE
ISSUED 0730 UTC 02 DEC 1999 BY THE WASHINGTON VAAC
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TUNGURAHUA 99-194 ECUADOR 1.47S 78.44W
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BACKGROUND: TUNGURAHUA ECUADOR (1502-08)
SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL AND INFRARED IMAGERY.
AVIATION MODEL WIND FORECAST. REPORT FROM THE GEOPHYSICAL INSTITUTE
IN QUITO.
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ERUPTION DETAILS: CONTINUOUS STEAM AND ASH EMISSIONS AND OCCASIONAL
EXPLOSIONS OF ASH.
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DETAILS OF ASH: NO ASH IS CURRENTLY BEING DETECTED THE SATELLITE
IMAGERY THROUGH 02/0515 UTC. NO LATER IMAGES HAVE BEEN RECEIVED BY
VAAC DUE TO HARDWARE PROBLEM AT WWB IN WASHINGTON. SIGMETS OUT OF
GUAYAQUIL INDICATE THE GEOPHISICAL INSTITUTE REPORTS ASH OVER THE
VOLCANO AND MOVING NORTHWEST. THIS WOULD PLACE THE ASH AT AN
ESTIMATED HEIGHT OF FL300.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT FL300 WOULD MOVE
NORTHWEST AT 5 TO 10 KNOTS.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK: SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 02/1330 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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HUGHES/NOAA/NESDIS/SAB
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